In the production workshop of Qingdao Haiyue, a 4000m³ double membrane gas holder is being manufactured in an orderly and efficient manner. As an essential component of large-scale biogas storage systems, this gas holder is made from high-strength imported membrane material and utilizes advanced heat-sealing technology, ensuring excellent airtightness and weather resistance. During production, every process is carried out in strict accordance with international standards — from membrane cutting and thermal welding to pressure testing — all precisely controlled by experienced technicians to guarantee product safety and reliability.

The 4000m³ double membrane gas holder can be widely applied in livestock and poultry manure treatment, kitchen waste fermentation, and industrial wastewater biogas projects, providing customers with efficient and stable biogas storage solutions. With nearly 20 years of experience in biogas equipment manufacturing, Qingdao Haiyue continues to deliver high-quality gas holder products and comprehensive after-sales services to customers around the world.